package com.googlecode.protobuf.minarpc;

/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 *
 */

import java.io.IOException;
import java.net.InetSocketAddress;
import java.util.HashMap;
import java.util.Map;

import org.apache.mina.filter.codec.ProtocolCodecFilter;
import org.apache.mina.transport.socket.nio.NioSocketAcceptor;

import com.google.protobuf.Service;


/**
 * The RPC server which maintains a global (static) protocol buffer service registry.
 * 
 * @author Zhenlei Cai (zcai@gaocan.com)
 * @version $Rev$, $Date$
 */

public class RpcServer {
    public static Map<String, Service> serviceMap = new HashMap<String, Service>();
    int port;

    public RpcServer(String host, int port) {
	this.port = port;
    }

    public void start() throws IOException {
	ProtobufRpcServerHandler handler = new ProtobufRpcServerHandler();
	NioSocketAcceptor acceptor = new NioSocketAcceptor();
	acceptor.setHandler(handler);
	acceptor.getFilterChain().addLast("protobufrpc", new ProtocolCodecFilter(new ProtobufRpcCodecFactory()));
	acceptor.bind(new InetSocketAddress(port));
	System.out.println("server is listenig at port " + port);
    }

    public static void registerServiceImpl(Service impl) {
	String serviceName = impl.getDescriptorForType().getFullName();
	RpcServer.serviceMap.put(serviceName, impl);
    }

}
